<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        async function fn() {
            try {
                const { data: res } = await new Promise((resolve, reject) => {
                    resolve({
                        data: {
                            name: '小西瓜'
                        }
                    })
                })
                console.log(a);
            } catch (error) {
                throw (error)
                console.log(error);
            }
        }
        fn()
    </script>
</body>

</html>